2015: this will be the best iphone ever2016: this will be the best iphone ever2017: this will be the best iphone ever2018: will be the best iphone ever made2019: this will be the best phone ever2020: the best iphone ever made!!!!!!!!!!!!,.........

i'm not a camera expert but all i'm seeing is the more number of lens you have the more you can zoom in to something.. it started with the 7 Plus. you wanna save money then just walk to the thing you're taking a photo of.